737 Flight Crew Operations Manual
1.18
Boeing Proprietary. Copyright © Boeing. May be subject to export restrictions under EAR. See title page for details.
D6-27370-4Q8-SJA
1.18
LOCK FAIL
PM398 - PP519, PQ976
■ ■ ■ ■
PASS OXY ON
■ ■ ■ ■
LOCK
FAIL
LOCK FAIL
Condition:
One or more of these occur:
•The FLIGHT DECK ACCESS SYSTEM switch
is OFF
•The lock is failed.
Objective:
To remove electrical power from the lock to
prevent a possible overheat.
Do if conditions allow a crew
member to leave the seat.
1
FLIGHT DECK ACCESS SYSTEM switch . . . . OFF
Note: The door can be locked with the dead bolt.
PASS OXY
ON
PASSENGER OXYGEN ON
Condition:
The passenger oxygen system is on.
June 15, 2020
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